Home / 5,173.31-7,139.25-2,935.14

Finding the Fourth Proportional to 5,173.31, 7,139.25 and 2,935.14

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Solution

The fourth proportional to 5,173.31, 7,139.25 and 2,935.14 is: 4,050.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.31 : 7,139.25 = 2,935.14 : x
  2. Step 2: Convert to fraction form
    5,173.31/7,139.25 = 2,935.14/x
  3. Step 3: Cross multiply
    5,173.31x = 7,139.25 × 2,935.14
  4. Step 4: Simplify right side
    5,173.31x = 20,954,698.25
  5. Step 5: Solve for x
    x = 20,954,698.25/5,173.31
  6. Step 6: Final answer
    x = 4,050.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.